Access Restriction Bypass Affecting notebook package, versions [,6.4.12)
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Test your applications- Snyk ID SNYK-PYTHON-NOTEBOOK-2928995
- published 17 Jun 2022
- disclosed 16 Jun 2022
- credit rashley-iqt
Introduced: 16 Jun 2022
CVE-2022-29238 Open this link in a new tabHow to fix?
Upgrade notebook to version 6.4.12 or higher.
Overview
notebook is a web application that allows you to create and share documents that contain live code, equations, visualizations, and explanatory text.
Affected versions of this package are vulnerable to Access Restriction Bypass. When a fully authenticated request is sent to the notebook server which is configured with ContentsManager.allow_hidden = False, it is possible to access arbitrary hidden files or arbitrary files in hidden directories.
Workarounds:
Do not run the notebook server in a directory with hidden files, use subdirectories.
Use a custom
ContentsManagerwith additional checks forself.is_hidden(path)prior to completing actions.